Home / 1,890,692.48-2,609,186.40-1,031,252.52

Finding the Fourth Proportional to 1,890,692.48, 2,609,186.40 and 1,031,252.52

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Solution

The fourth proportional to 1,890,692.48, 2,609,186.40 and 1,031,252.52 is: 1,423,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,692.48 : 2,609,186.40 = 1,031,252.52 : x
  2. Step 2: Convert to fraction form
    1,890,692.48/2,609,186.40 = 1,031,252.52/x
  3. Step 3: Cross multiply
    1,890,692.48x = 2,609,186.40 × 1,031,252.52
  4. Step 4: Simplify right side
    1,890,692.48x = 2,690,730,050,149.73
  5. Step 5: Solve for x
    x = 2,690,730,050,149.73/1,890,692.48
  6. Step 6: Final answer
    x = 1,423,145.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.